(19)

(11)

EP 2 761 045 A1

(12)

(43) Date of publication: 06.08.2014 Bulletin 2014/32 (21) Application number: 12835647.4 (22) Date of filing: 25.09.2012

(51) International Patent Classification (IPC):  C22C 21/00(2006.01) (86) International application number: PCT/US2012/057108 (87) International publication number: WO 2013/049056 (04.04.2013 Gazette 2013/14)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 30.09.2011 US 201161541564 P (71) Applicant: Questek Innovations LLC Evanston, IL 60201 (US)	(72) Inventors: MISRA, Abhijeet Cupertino, California 95014 (US) WRIGHT, James, A. Los Gatos, California 95030 (US) (74) Representative: Kent, Josephine  Barker Brettell LLP 100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)